WBCS.LIVE practice question

What is the value of 'Absolute Zero' on the standard Celsius temperature scale?

Solve this multiple-choice question and check the correct answer with its explanation below.

Answer options

  1. -100°C
  2. -273.15°C
  3. 0°C
  4. -373.15°C

Correct answer and explanation

Correct answer: -273.15°C

Explanation: ✅ Correct Answer: B) -273.15°C 📚 Explanation: Absolute zero is the theoretical lowest possible temperature where all classical atomic and molecular thermal motion completely stops. On the Kelvin scale, this is designated simply as 0 K. When converted to the Celsius scale, absolute zero is exactly equivalent to -273.15°C.